At the moment, the topic of air pollution in major cities is relevant. For example, in Kazakhstan, in cities such as Almaty, Astana and others, there is bad air. In Russia, such cities as: Moscow, St. Petersburg. How to make the air cleaner ?. At the moment, special poles are used on which equipment for cleaning gases and other elements in the air is installed. There are many other ways but I will not list them all. Than smoking is best planted with trees or other vegetation. Appreciate the nature.
